Stool cushion



FIG. 1 is a perspective view of a stool cushion with an attached back support;

FIG. 2 is a reduced top view of FIG. 1;

FIG. 3 is a reduced front view of FIG. 1;

FIG. 4 is a reduced rear view of FIG. 1;

FIG. 5 is a reduced left side view of FIG. 1;

FIG. 6 is a reduced right side view of FIG. 1;

FIG. 7 is a perspective view of a stool cushion without back support of a second alternate environment;

FIG. 8 is a reduced top view of FIG. 7;

FIG. 9 is a reduced front view of FIG. 7;

FIG. 10 is a reduced rear view of FIG. 7;

FIG. 11 is a reduced left side view of FIG. 7; and,

FIG. 12 is a reduced right side view of FIG. 7.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a stool cushion, as shown and described. 